LATIN DICTIONARYLexicon Latīnum
noun · masculinethird declension

coāctor

coāctor m (genitive coāctōris, feminine coāctrīx)

Meaning

  1. collector of money (tax, revenues, auctions, etc.)
  2. one who compels

Declension

declension
formsingularplural
nominativecoāctorcoāctōrēs
genitivecoāctōriscoāctōrum
dativecoāctōrīcoāctōribus
accusativecoāctōremcoāctōrēs
ablativecoāctōrecoāctōribus
vocativecoāctorcoāctōrēs

cŏactor, ōris, m. id..
I. Prop.
A. A collector of money (from auctions, of revenues, etc.), Cato, R. R. 150, 2; Cic. Clu. 64, 180; id. Rab. Post. 11, 30; * Hor. S. 1, 6, 86; cf. Acron. and Porphyr. in h. l. and Auct. Vit. Hor. 1; Sen. Ep. 81, 2 (al. decoctor).—
B. Coactores agminis, the rear, Tac. H. 2, 68.—
C. ( = coactiliarius.) A fuller, Inscr. Grut. 648, 3.—
II. Trop., one who forces to something: adjutor, et, ut ita dicam, coactor, Sen. Ep. 52, 4.

Origins

From cōgō (“to force, compel”).

In the Academy Smith's classical dictionaries

AntiquitiesCoactorCoactor This name was applied to collectors of various sorts, e. g. to the servants of the publicani or farmers of the taxes, who collected the revenu…

Quick answers

What does coāctor mean in Latin?
coāctor, a noun, means “collector of money (tax, revenues, auctions, etc.); one who compels”.
What is the genitive of coāctor?
The genitive singular is coāctōris. coāctor is masculine, third declension.